Coin bank



FIG. 1 is a perspective view of a coin bank embodying the design of the present invention.

FIG. 2 is a front side elevational view of the coin bank illustrated in FIG. 1.

FIG. 3 is a back side elevational view of the coin bank illustrated in FIG. 1.

FIG. 4 is a left side elevational view of the coin bank illustrated in FIG. 1.

FIG. 5 is a right side elevational view of the coin bank illustrated in FIG. 1.

FIG. 6 is a top view of the coin bank illustrated in FIG. 1; and,

FIG. 7 is a bottom view of the coin bank illustrated in FIG. 1.

The portions shown in broken lines do not form a part of the claimed design. 

The ornamental design of a coin bank, substantially as shown and described. 